12140444 has 12 divisors (see below), whose sum is σ = 21978600. Its totient is φ = 5860848.

The previous prime is 12140441. The next prime is 12140459. The reversal of 12140444 is 44404121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52214 + ... + 52445.

It is an arithmetic number, because the mean of its divisors is an integer number (1831550).

Almost surely, 2^12140444 is an apocalyptic number.

It is an amenable number.

12140444 is a deficient number, since it is larger than the sum of its proper divisors (9838156).

12140444 is a wasteful number, since it uses less digits than its factorization.

12140444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104692 (or 104690 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 12140444 is about 3484.3139927395. The cubic root of 12140444 is about 229.8325435157.

Adding to 12140444 its reverse (44404121), we get a palindrome (56544565).

The spelling of 12140444 in words is "twelve million, one hundred forty thousand, four hundred forty-four".